Gryffindor
_j_e_s_s_i_ 5 pts/2 kts
3whiteroses 5 pts/2 kts
alight 30 pts/12 kts
blackestbird 20 pts/8 kts
colours_unseen 30 pts/12 kts
delorispea 5 pts/2 kts
gryffinwhore 10 pts/4 kts
lovestyle 5 pts/2 kts
orpheous87 5 pts/2 kts
pot_of_coffee 30 pts/12 kts
qiuoi 15 pts/6 kts
terralphasia 25 pts/10 kts
wandersfound 30 pts/12 kts
zestyzorra 15 pts/6 kts
Total = 230 points

Hufflepuff
crazychic3 10 pts/4 kts
heartzablaze 5 pts/2 kts
ladybria 5 pts/2 kts
linguology 5 pts/2 kts
mandyloo 30 pts/12 kts
ppyajunebug 25 pts/10 kts
tunnels_of_loce 25 pts/10 kts
Total = 105 points

Ravenclaw
an_ardent_rain 5 pts/2 kts
cashdogg827 30 pts/12 kts
fayethefaery 5 pts/2 kts
humbuggirl 15 pts/6 kts
lady_lilith 10 pts/4 kts
misanagi 10 pts/4 kts
moonlightstorm 15 pts/6 kts
nfgs 10 pts/4 kts
pierhias 30 pts/12 kts
rideinthelimo 25 pts/10 kts
senbonzakura77 15 pts/6 kts
starryeyedstara 15 pts/6 kts
unnecessary_ 5 pts/2 kts
Total = 190 points

Slytherin
clasped 10 pts/4 kts
djmayhem_aubrey 10 pts/4 kts
dustspoken 5 pts/2 kts
hecticity 10 pts/4 kts
lovestories 5 pts/2 kts
mmailliw 20 pts/8 kts
Total = 60 points

And here are the solutions:
Puzzle #1: Word Search Kudos to colours_unseen for finding another Halloween themed word - OMEN!
Puzzle #2: Cryptogram
Puzzle #3: Crossword
Puzzle #4: Fill ins
Puzzle #5: Sudoku
Puzzle #6: Find the difference